Home / 6,749.17-10,122.96-1,818.43

Finding the Fourth Proportional to 6,749.17, 10,122.96 and 1,818.43

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Solution

The fourth proportional to 6,749.17, 10,122.96 and 1,818.43 is: 2,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.17 : 10,122.96 = 1,818.43 : x
  2. Step 2: Convert to fraction form
    6,749.17/10,122.96 = 1,818.43/x
  3. Step 3: Cross multiply
    6,749.17x = 10,122.96 × 1,818.43
  4. Step 4: Simplify right side
    6,749.17x = 18,407,894.15
  5. Step 5: Solve for x
    x = 18,407,894.15/6,749.17
  6. Step 6: Final answer
    x = 2,727.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.